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Stamped envelope with four stamps commemorating the Australia-England experimental flight. Three stamps commemorate Kingsford-Smith's world flights, in denominations 2 Pence (2d), 3 Pence (3d), Six Pence (6d). One stamp is a 3 Pence (3d) Air Mail Service stamp. It is postmarked Launceston, Tasmania, 21 April 1931.

Description:

Cream-coloured envelope with 4 postmarked stamps. There is a slight tear near the left hand corner.